| /* |
| * Copyright (C) 2010 NXP Semiconductors |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| /*! |
| * \file phHal4Nfc_P2P.c |
| * \brief Hal4Nfc_P2P source. |
| * |
| * Project: NFC-FRI 1.1 |
| * |
| * $Date: Mon May 31 11:43:43 2010 $ |
| * $Author: ing07385 $ |
| * $Revision: 1.56 $ |
| * $Aliases: NFC_FRI1.1_WK1023_R35_1 $ |
| * |
| */ |
| |
| /* ---------------------------Include files ------------------------------------*/ |
| #include <phHal4Nfc.h> |
| #include <phHal4Nfc_Internal.h> |
| #include <phOsalNfc.h> |
| #include <phOsalNfc_Timer.h> |
| #include <phHciNfc.h> |
| #include <phNfcConfig.h> |
| /* ------------------------------- Macros ------------------------------------*/ |
| |
| #ifdef _WIN32 |
| /*Timeout value for recv data timer for P2P.This timer is used for creating |
| Asynchronous behavior in the scenario where the data is received even before |
| the upper layer calls the phHal4Nfc_receive().*/ |
| #define PH_HAL4NFC_RECV_CB_TIMEOUT 100U |
| #else |
| #define PH_HAL4NFC_RECV_CB_TIMEOUT 0x00U |
| #endif/*#ifdef _WIN32*/ |
| |
| |
| /* --------------------Structures and enumerations --------------------------*/ |
| |
| /*timer callback to send already buffered receive data to upper layer*/ |
| static void phHal4Nfc_P2PRecvTimerCb(uint32_t P2PRecvTimerId, void *pContext); |
| |
| /* ---------------------- Function definitions ------------------------------*/ |
| |
| /* Transfer the user data to another NfcIP device from the host. |
| * pTransferCallback is called, when all steps in the transfer sequence are |
| * completed.*/ |
| NFCSTATUS |
| phHal4Nfc_Send( |
| phHal_sHwReference_t *psHwReference, |
| phHal4Nfc_TransactInfo_t *psTransferInfo, |
| phNfc_sData_t sTransferData, |
| pphHal4Nfc_SendCallback_t pSendCallback, |
| void *pContext |
| ) |
| { |
| NFCSTATUS RetStatus = NFCSTATUS_PENDING; |
| phHal4Nfc_Hal4Ctxt_t *Hal4Ctxt = NULL; |
| /*NULL checks*/ |
| if((NULL == psHwReference) |
| ||( NULL == pSendCallback ) |
| || (NULL == psTransferInfo) |
| ) |
| { |
| phOsalNfc_RaiseException(phOsalNfc_e_PrecondFailed,1); |
| RetStatus = PHNFCSTVAL(CID_NFC_HAL ,NFCSTATUS_INVALID_PARAMETER); |
| } |
| /*Check initialised state*/ |
| else if((NULL == psHwReference->hal_context) |
| || (((phHal4Nfc_Hal4Ctxt_t *) |
| psHwReference->hal_context)->Hal4CurrentState |
| < eHal4StateOpenAndReady) |
| || (((phHal4Nfc_Hal4Ctxt_t *) |
| psHwReference->hal_context)->Hal4NextState |
| == eHal4StateClosed)) |
| { |
| RetStatus = PHNFCSTVAL(CID_NFC_HAL ,NFCSTATUS_NOT_INITIALISED); |
| } |
| /*Only NfcIp1 Target can call this API*/ |
| else if(phHal_eNfcIP1_Initiator != psTransferInfo->remotePCDType) |
| { |
| RetStatus = PHNFCSTVAL(CID_NFC_HAL ,NFCSTATUS_INVALID_DEVICE); |
| } |
| else |
| { |
| Hal4Ctxt = (phHal4Nfc_Hal4Ctxt_t *)psHwReference->hal_context; |
| if(NULL == Hal4Ctxt->psTrcvCtxtInfo) |
| { |
| RetStatus= PHNFCSTVAL(CID_NFC_HAL ,NFCSTATUS_FAILED); |
| } |
| /*Check Activated*/ |
| else if(NFC_EVT_ACTIVATED == Hal4Ctxt->sTgtConnectInfo.EmulationState) |
| { |
| Hal4Ctxt->sUpperLayerInfo.psUpperLayerCtxt = pContext; |
| /*Register upper layer callback*/ |
| Hal4Ctxt->psTrcvCtxtInfo->pP2PSendCb = pSendCallback; |
| PHDBG_INFO("NfcIP1 Send"); |
| /*allocate buffer to store senddata received from upper layer*/ |
| if (NULL == Hal4Ctxt->psTrcvCtxtInfo->psUpperSendData) |
| { |
| Hal4Ctxt->psTrcvCtxtInfo->psUpperSendData = (phNfc_sData_t *) |
| phOsalNfc_GetMemory(sizeof(phNfc_sData_t)); |
| if(NULL != Hal4Ctxt->psTrcvCtxtInfo->psUpperSendData) |
| { |
| (void)memset(Hal4Ctxt->psTrcvCtxtInfo->psUpperSendData, 0, |
| sizeof(phNfc_sData_t)); |
| Hal4Ctxt->psTrcvCtxtInfo->TransactionTimerId |
| = PH_OSALNFC_INVALID_TIMER_ID; |
| } |
| } |
| |
| Hal4Ctxt->psTrcvCtxtInfo->psUpperSendData->buffer |
| = sTransferData.buffer; |
| Hal4Ctxt->psTrcvCtxtInfo->psUpperSendData->length |
| = sTransferData.length; |
| /*If data size is less than MAX_SEND_LEN ,no chaining is required*/ |
| if(PH_HAL4NFC_MAX_SEND_LEN >= sTransferData.length) |
| { |
| Hal4Ctxt->psTrcvCtxtInfo-> |
| XchangeInfo.params.nfc_info.more_info = FALSE; |
| Hal4Ctxt->psTrcvCtxtInfo->XchangeInfo.tx_length |
| = (uint8_t)sTransferData.length; |
| Hal4Ctxt->psTrcvCtxtInfo->XchangeInfo.tx_buffer |
| = sTransferData.buffer; |
| } |
| else/*set more_info to true,to indicate more data pending to be sent*/ |
| { |
| Hal4Ctxt->psTrcvCtxtInfo-> |
| XchangeInfo.params.nfc_info.more_info = TRUE; |
| Hal4Ctxt->psTrcvCtxtInfo->XchangeInfo.tx_length |
| = PH_HAL4NFC_MAX_SEND_LEN; |
| Hal4Ctxt->psTrcvCtxtInfo->XchangeInfo.tx_buffer |
| = sTransferData.buffer; |
| Hal4Ctxt->psTrcvCtxtInfo->NumberOfBytesSent |
| += PH_HAL4NFC_MAX_SEND_LEN; |
| } |
| PHDBG_INFO("HAL4:Calling Hci_Send_data()"); |
| RetStatus = phHciNfc_Send_Data ( |
| Hal4Ctxt->psHciHandle, |
| psHwReference, |
| NULL, |
| &(Hal4Ctxt->psTrcvCtxtInfo->XchangeInfo) |
| ); |
| /*check return status*/ |
| if (NFCSTATUS_PENDING == RetStatus) |
| { |
| /*Set P2P_Send_In_Progress to defer any disconnect call until |
| Send complete occurs*/ |
| Hal4Ctxt->psTrcvCtxtInfo->P2P_Send_In_Progress = TRUE; |
| Hal4Ctxt->Hal4NextState = eHal4StateTransaction; |
| /*No of bytes remaining for next send*/ |
| Hal4Ctxt->psTrcvCtxtInfo->psUpperSendData->length |
| -= Hal4Ctxt->psTrcvCtxtInfo->XchangeInfo.tx_length; |
| } |
| } |
| else/*Deactivated*/ |
| { |
| RetStatus = PHNFCSTVAL(CID_NFC_HAL ,NFCSTATUS_DESELECTED); |
| } |
| } |
| return RetStatus; |
| } |
| |
| |
| /* Transfer the user data to the another NfcIP device from the host. |
| * pTransferCallback is called, when all steps in the transfer sequence are |
| * completed.*/ |
| |
| NFCSTATUS |
| phHal4Nfc_Receive( |
| phHal_sHwReference_t *psHwReference, |
| phHal4Nfc_TransactInfo_t *psRecvInfo, |
| pphHal4Nfc_ReceiveCallback_t pReceiveCallback, |
| void *pContext |
| ) |
| { |
| NFCSTATUS RetStatus = NFCSTATUS_PENDING; |
| phHal4Nfc_Hal4Ctxt_t *Hal4Ctxt = NULL; |
| /*NULL checks*/ |
| if((NULL == psHwReference) |
| ||( NULL == pReceiveCallback) |
| ||( NULL == psRecvInfo)) |
| { |
| phOsalNfc_RaiseException(phOsalNfc_e_PrecondFailed,1); |
| RetStatus = PHNFCSTVAL(CID_NFC_HAL ,NFCSTATUS_INVALID_PARAMETER); |
| } |
| /*Check initialised state*/ |
| else if((NULL == psHwReference->hal_context) |
| || (((phHal4Nfc_Hal4Ctxt_t *) |
| psHwReference->hal_context)->Hal4CurrentState |
| < eHal4StateOpenAndReady) |
| || (((phHal4Nfc_Hal4Ctxt_t *) |
| psHwReference->hal_context)->Hal4NextState |
| == eHal4StateClosed)) |
| { |
| RetStatus = PHNFCSTVAL(CID_NFC_HAL ,NFCSTATUS_NOT_INITIALISED); |
| } |
| else |
| { |
| Hal4Ctxt = (phHal4Nfc_Hal4Ctxt_t *)psHwReference->hal_context; |
| if(NFC_EVT_ACTIVATED == Hal4Ctxt->sTgtConnectInfo.EmulationState) |
| { |
| /*Following condition gets satisfied only on target side,if receive |
| is not already called*/ |
| if(NULL == Hal4Ctxt->psTrcvCtxtInfo) |
| { |
| Hal4Ctxt->psTrcvCtxtInfo= (pphHal4Nfc_TrcvCtxtInfo_t) |
| phOsalNfc_GetMemory((uint32_t) |
| (sizeof(phHal4Nfc_TrcvCtxtInfo_t))); |
| if(NULL != Hal4Ctxt->psTrcvCtxtInfo) |
| { |
| (void)memset(Hal4Ctxt->psTrcvCtxtInfo,0, |
| sizeof(phHal4Nfc_TrcvCtxtInfo_t)); |
| Hal4Ctxt->psTrcvCtxtInfo->TransactionTimerId |
| = PH_OSALNFC_INVALID_TIMER_ID; |
| Hal4Ctxt->psTrcvCtxtInfo->RecvDataBufferStatus = NFCSTATUS_PENDING; |
| } |
| } |
| if(NULL == Hal4Ctxt->psTrcvCtxtInfo) |
| { |
| phOsalNfc_RaiseException(phOsalNfc_e_NoMemory,0); |
| RetStatus= PHNFCSTVAL(CID_NFC_HAL , |
| NFCSTATUS_INSUFFICIENT_RESOURCES); |
| } |
| else /*Store callback & Return status pending*/ |
| { |
| Hal4Ctxt->sUpperLayerInfo.psUpperLayerCtxt = pContext; |
| /*Register upper layer callback*/ |
| Hal4Ctxt->psTrcvCtxtInfo->pUpperTranceiveCb = NULL; |
| Hal4Ctxt->psTrcvCtxtInfo->pP2PRecvCb = pReceiveCallback; |
| if(NFCSTATUS_PENDING != |
| Hal4Ctxt->psTrcvCtxtInfo->RecvDataBufferStatus) |
| { |
| /**Create a timer to send received data in the callback*/ |
| if(Hal4Ctxt->psTrcvCtxtInfo->TransactionTimerId |
| == PH_OSALNFC_INVALID_TIMER_ID) |
| { |
| PHDBG_INFO("HAL4: Transaction Timer Create for Receive"); |
| Hal4Ctxt->psTrcvCtxtInfo->TransactionTimerId |
| = phOsalNfc_Timer_Create(); |
| } |
| if(Hal4Ctxt->psTrcvCtxtInfo->TransactionTimerId |
| == PH_OSALNFC_INVALID_TIMER_ID) |
| { |
| RetStatus = PHNFCSTVAL(CID_NFC_HAL , |
| NFCSTATUS_INSUFFICIENT_RESOURCES); |
| } |
| else/*start the timer*/ |
| { |
| phOsalNfc_Timer_Start( |
| Hal4Ctxt->psTrcvCtxtInfo->TransactionTimerId, |
| PH_HAL4NFC_RECV_CB_TIMEOUT, |
| phHal4Nfc_P2PRecvTimerCb, |
| NULL |
| ); |
| } |
| } |
| } |
| } |
| else/*deactivated*/ |
| { |
| RetStatus= PHNFCSTVAL(CID_NFC_HAL ,NFCSTATUS_DESELECTED); |
| } |
| } |
| return RetStatus; |
| } |
| |
| /*Timer callback for recv data timer for P2P.This timer is used for creating |
| Asynchronous behavior in the scenario where the data is received even before |
| the upper layer calls the phHal4Nfc_receive().*/ |
| static void phHal4Nfc_P2PRecvTimerCb(uint32_t P2PRecvTimerId, void *pContext) |
| { |
| phHal4Nfc_Hal4Ctxt_t *Hal4Ctxt = (phHal4Nfc_Hal4Ctxt_t *)( |
| gpphHal4Nfc_Hwref->hal_context); |
| pphHal4Nfc_ReceiveCallback_t pUpperRecvCb = NULL; |
| NFCSTATUS RecvDataBufferStatus = NFCSTATUS_PENDING; |
| PHNFC_UNUSED_VARIABLE(pContext); |
| |
| phOsalNfc_Timer_Stop(P2PRecvTimerId); |
| phOsalNfc_Timer_Delete(P2PRecvTimerId); |
| if(NULL != Hal4Ctxt->psTrcvCtxtInfo) |
| { |
| RecvDataBufferStatus = Hal4Ctxt->psTrcvCtxtInfo->RecvDataBufferStatus; |
| Hal4Ctxt->psTrcvCtxtInfo->RecvDataBufferStatus = NFCSTATUS_PENDING; |
| |
| Hal4Ctxt->psTrcvCtxtInfo->TransactionTimerId |
| = PH_OSALNFC_INVALID_TIMER_ID; |
| /*Update state*/ |
| Hal4Ctxt->Hal4NextState = (eHal4StateTransaction |
| == Hal4Ctxt->Hal4NextState?eHal4StateInvalid:Hal4Ctxt->Hal4NextState); |
| /*Provide address of received data to upper layer data pointer*/ |
| Hal4Ctxt->psTrcvCtxtInfo->psUpperRecvData |
| = &(Hal4Ctxt->psTrcvCtxtInfo->sLowerRecvData); |
| /*Chk NULL and call recv callback*/ |
| if(Hal4Ctxt->psTrcvCtxtInfo->pP2PRecvCb != NULL) |
| { |
| pUpperRecvCb = Hal4Ctxt->psTrcvCtxtInfo->pP2PRecvCb; |
| Hal4Ctxt->psTrcvCtxtInfo->pP2PRecvCb = NULL; |
| (*pUpperRecvCb)( |
| Hal4Ctxt->sUpperLayerInfo.psUpperLayerCtxt, |
| Hal4Ctxt->psTrcvCtxtInfo->psUpperRecvData, |
| RecvDataBufferStatus |
| ); |
| } |
| } |
| return; |
| } |
| |
| /**Send complete handler*/ |
| void phHal4Nfc_SendCompleteHandler(phHal4Nfc_Hal4Ctxt_t *Hal4Ctxt,void *pInfo) |
| { |
| pphHal4Nfc_SendCallback_t pUpperSendCb = NULL; |
| pphHal4Nfc_TransceiveCallback_t pUpperTrcvCb = NULL; |
| NFCSTATUS SendStatus = ((phNfc_sCompletionInfo_t *)pInfo)->status; |
| pphHal4Nfc_DiscntCallback_t pUpperDisconnectCb = NULL; |
| Hal4Ctxt->psTrcvCtxtInfo->P2P_Send_In_Progress = FALSE; |
| /*Send status Success or Pending disconnect in HAl4*/ |
| if((SendStatus != NFCSTATUS_SUCCESS) |
| ||(NFC_INVALID_RELEASE_TYPE != Hal4Ctxt->sTgtConnectInfo.ReleaseType)) |
| { |
| Hal4Ctxt->Hal4NextState = eHal4StateInvalid; |
| /*Update Status*/ |
| SendStatus = (NFCSTATUS)(NFC_INVALID_RELEASE_TYPE != |
| Hal4Ctxt->sTgtConnectInfo.ReleaseType?NFCSTATUS_RELEASED:SendStatus); |
| /*Callback For Target Send*/ |
| if(NULL != Hal4Ctxt->psTrcvCtxtInfo->pP2PSendCb) |
| { |
| pUpperSendCb = Hal4Ctxt->psTrcvCtxtInfo->pP2PSendCb; |
| Hal4Ctxt->psTrcvCtxtInfo->pP2PSendCb = NULL; |
| (*pUpperSendCb)( |
| Hal4Ctxt->sUpperLayerInfo.psUpperLayerCtxt, |
| SendStatus |
| ); |
| } |
| else/*Callback For Initiator Send*/ |
| { |
| if(NULL != Hal4Ctxt->psTrcvCtxtInfo->pUpperTranceiveCb) |
| { |
| Hal4Ctxt->psTrcvCtxtInfo->psUpperRecvData->length = 0; |
| pUpperTrcvCb = Hal4Ctxt->psTrcvCtxtInfo->pUpperTranceiveCb; |
| Hal4Ctxt->psTrcvCtxtInfo->pUpperTranceiveCb = NULL; |
| (*pUpperTrcvCb)( |
| Hal4Ctxt->sUpperLayerInfo.psUpperLayerCtxt, |
| Hal4Ctxt->sTgtConnectInfo.psConnectedDevice, |
| Hal4Ctxt->psTrcvCtxtInfo->psUpperRecvData, |
| SendStatus |
| ); |
| } |
| } |
| /*Issue Pending disconnect from HAl4*/ |
| if(NFC_INVALID_RELEASE_TYPE != Hal4Ctxt->sTgtConnectInfo.ReleaseType) |
| { |
| SendStatus = phHal4Nfc_Disconnect_Execute(gpphHal4Nfc_Hwref); |
| if((NFCSTATUS_PENDING != SendStatus) && |
| (NULL != Hal4Ctxt->sTgtConnectInfo.pUpperDisconnectCb)) |
| { |
| pUpperDisconnectCb = |
| Hal4Ctxt->sTgtConnectInfo.pUpperDisconnectCb; |
| Hal4Ctxt->sTgtConnectInfo.pUpperDisconnectCb = NULL; |
| (*pUpperDisconnectCb)( |
| Hal4Ctxt->sUpperLayerInfo.psUpperLayerDisconnectCtxt, |
| Hal4Ctxt->sTgtConnectInfo.psConnectedDevice, |
| SendStatus |
| );/*Notify disconnect failed to upper layer*/ |
| } |
| } |
| } |
| else |
| { |
| /*More info remaining in send buffer.continue with sending remaining |
| bytes*/ |
| if(Hal4Ctxt->psTrcvCtxtInfo->psUpperSendData->length |
| > PH_HAL4NFC_MAX_SEND_LEN) |
| { |
| /*Set more info*/ |
| Hal4Ctxt->psTrcvCtxtInfo-> |
| XchangeInfo.params.nfc_info.more_info = TRUE; |
| /*copy to tx_buffer ,remaining bytes.NumberOfBytesSent is the |
| number of bytes already sent from current send buffer.*/ |
| Hal4Ctxt->psTrcvCtxtInfo->XchangeInfo.tx_buffer |
| = (Hal4Ctxt->psTrcvCtxtInfo->psUpperSendData->buffer |
| + Hal4Ctxt->psTrcvCtxtInfo->NumberOfBytesSent); |
| Hal4Ctxt->psTrcvCtxtInfo->XchangeInfo.tx_length |
| = PH_HAL4NFC_MAX_SEND_LEN; |
| Hal4Ctxt->psTrcvCtxtInfo->NumberOfBytesSent |
| += PH_HAL4NFC_MAX_SEND_LEN; |
| Hal4Ctxt->psTrcvCtxtInfo->psUpperSendData->length |
| -= PH_HAL4NFC_MAX_SEND_LEN; |
| PHDBG_INFO("Hal4:Calling Hci_senddata() from sendcompletehandler1"); |
| SendStatus = phHciNfc_Send_Data ( |
| Hal4Ctxt->psHciHandle, |
| gpphHal4Nfc_Hwref, |
| Hal4Ctxt->sTgtConnectInfo.psConnectedDevice, |
| &(Hal4Ctxt->psTrcvCtxtInfo->XchangeInfo) |
| ); |
| if(NFCSTATUS_PENDING == SendStatus) |
| { |
| Hal4Ctxt->psTrcvCtxtInfo->P2P_Send_In_Progress = TRUE; |
| } |
| } |
| /*Remaining bytes is less than PH_HAL4NFC_MAX_SEND_LEN*/ |
| else if(Hal4Ctxt->psTrcvCtxtInfo->psUpperSendData->length > 0) |
| { |
| Hal4Ctxt->psTrcvCtxtInfo-> |
| XchangeInfo.params.nfc_info.more_info = FALSE; |
| Hal4Ctxt->psTrcvCtxtInfo->XchangeInfo.tx_length |
| = (uint8_t)Hal4Ctxt->psTrcvCtxtInfo->psUpperSendData->length; |
| Hal4Ctxt->psTrcvCtxtInfo->XchangeInfo.tx_buffer |
| = (Hal4Ctxt->psTrcvCtxtInfo->psUpperSendData->buffer |
| + Hal4Ctxt->psTrcvCtxtInfo->NumberOfBytesSent); |
| Hal4Ctxt->psTrcvCtxtInfo->NumberOfBytesSent = 0; |
| /*No of bytes remaining for next send*/ |
| Hal4Ctxt->psTrcvCtxtInfo->psUpperSendData->length = 0; |
| PHDBG_INFO("Hal4:Calling Hci_senddata() from sendcompletehandler2"); |
| SendStatus = phHciNfc_Send_Data ( |
| Hal4Ctxt->psHciHandle, |
| gpphHal4Nfc_Hwref, |
| Hal4Ctxt->sTgtConnectInfo.psConnectedDevice, |
| &(Hal4Ctxt->psTrcvCtxtInfo->XchangeInfo) |
| ); |
| } |
| else/*No more Bytes left.Send complete*/ |
| { |
| Hal4Ctxt->psTrcvCtxtInfo->NumberOfBytesSent = 0; |
| /*Callback For Target Send*/ |
| if(NULL != Hal4Ctxt->psTrcvCtxtInfo->pP2PSendCb) |
| { |
| pUpperSendCb = Hal4Ctxt->psTrcvCtxtInfo->pP2PSendCb; |
| Hal4Ctxt->psTrcvCtxtInfo->pP2PSendCb = NULL; |
| (*pUpperSendCb)( |
| Hal4Ctxt->sUpperLayerInfo.psUpperLayerCtxt, |
| SendStatus |
| ); |
| } |
| else |
| { |
| /**Start timer to keep track of transceive timeout*/ |
| #ifdef TRANSACTION_TIMER |
| phOsalNfc_Timer_Start( |
| Hal4Ctxt->psTrcvCtxtInfo->TransactionTimerId, |
| PH_HAL4NFC_TRANSCEIVE_TIMEOUT, |
| phHal4Nfc_TrcvTimeoutHandler |
| ); |
| #endif /*TRANSACTION_TIMER*/ |
| } |
| } |
| } |
| return; |
| } |
| |
| /**Receive complete handler*/ |
| void phHal4Nfc_RecvCompleteHandler(phHal4Nfc_Hal4Ctxt_t *Hal4Ctxt,void *pInfo) |
| { |
| pphHal4Nfc_ReceiveCallback_t pUpperRecvCb = NULL; |
| pphHal4Nfc_TransceiveCallback_t pUpperTrcvCb = NULL; |
| NFCSTATUS RecvStatus = ((phNfc_sTransactionInfo_t *)pInfo)->status; |
| /*allocate TrcvContext if not already allocated.Required since |
| Receive complete can occur before any other send /receive calls.*/ |
| if(NULL == Hal4Ctxt->psTrcvCtxtInfo) |
| { |
| Hal4Ctxt->psTrcvCtxtInfo= (pphHal4Nfc_TrcvCtxtInfo_t) |
| phOsalNfc_GetMemory((uint32_t) |
| (sizeof(phHal4Nfc_TrcvCtxtInfo_t))); |
| if(NULL != Hal4Ctxt->psTrcvCtxtInfo) |
| { |
| (void)memset(Hal4Ctxt->psTrcvCtxtInfo,0, |
| sizeof(phHal4Nfc_TrcvCtxtInfo_t)); |
| Hal4Ctxt->psTrcvCtxtInfo->TransactionTimerId |
| = PH_OSALNFC_INVALID_TIMER_ID; |
| Hal4Ctxt->psTrcvCtxtInfo->RecvDataBufferStatus |
| = NFCSTATUS_PENDING; |
| } |
| } |
| if(NULL == Hal4Ctxt->psTrcvCtxtInfo) |
| { |
| phOsalNfc_RaiseException(phOsalNfc_e_NoMemory,0); |
| RecvStatus = PHNFCSTVAL(CID_NFC_HAL , |
| NFCSTATUS_INSUFFICIENT_RESOURCES); |
| } |
| else |
| { |
| /*Allocate 4K buffer to copy the received data into*/ |
| if(NULL == Hal4Ctxt->psTrcvCtxtInfo->sLowerRecvData.buffer) |
| { |
| Hal4Ctxt->psTrcvCtxtInfo->sLowerRecvData.buffer |
| = (uint8_t *)phOsalNfc_GetMemory( |
| PH_HAL4NFC_MAX_RECEIVE_BUFFER |
| ); |
| if(NULL == Hal4Ctxt->psTrcvCtxtInfo->sLowerRecvData.buffer) |
| { |
| phOsalNfc_RaiseException(phOsalNfc_e_NoMemory, |
| 0); |
| RecvStatus = NFCSTATUS_INSUFFICIENT_RESOURCES; |
| } |
| else/*memset*/ |
| { |
| (void)memset( |
| Hal4Ctxt->psTrcvCtxtInfo->sLowerRecvData.buffer, |
| 0, |
| PH_HAL4NFC_MAX_RECEIVE_BUFFER |
| ); |
| } |
| } |
| |
| if(RecvStatus != NFCSTATUS_INSUFFICIENT_RESOURCES) |
| { |
| /*Copy the data*/ |
| (void)memcpy( |
| (Hal4Ctxt->psTrcvCtxtInfo->sLowerRecvData.buffer |
| + Hal4Ctxt->psTrcvCtxtInfo->P2PRecvLength), |
| ((phNfc_sTransactionInfo_t *)pInfo)->buffer, |
| ((phNfc_sTransactionInfo_t *)pInfo)->length |
| ); |
| /*Update P2PRecvLength,this also acts as the offset to append more |
| received bytes*/ |
| Hal4Ctxt->psTrcvCtxtInfo->P2PRecvLength |
| += ((phNfc_sTransactionInfo_t *)pInfo)->length; |
| Hal4Ctxt->psTrcvCtxtInfo->sLowerRecvData.length |
| = Hal4Ctxt->psTrcvCtxtInfo->P2PRecvLength; |
| } |
| |
| if(RecvStatus != NFCSTATUS_MORE_INFORMATION) |
| { |
| Hal4Ctxt->psTrcvCtxtInfo->P2PRecvLength = 0; |
| Hal4Ctxt->Hal4NextState = (eHal4StateTransaction |
| == Hal4Ctxt->Hal4NextState?eHal4StateInvalid:Hal4Ctxt->Hal4NextState); |
| if(NFCSTATUS_PENDING == Hal4Ctxt->psTrcvCtxtInfo->RecvDataBufferStatus) |
| { |
| /*Initiator case*/ |
| if(NULL != Hal4Ctxt->psTrcvCtxtInfo->pUpperTranceiveCb) |
| { |
| RecvStatus =(NFCSTATUS_RF_TIMEOUT == RecvStatus? |
| NFCSTATUS_DESELECTED:RecvStatus); |
| pUpperTrcvCb = Hal4Ctxt->psTrcvCtxtInfo->pUpperTranceiveCb; |
| Hal4Ctxt->psTrcvCtxtInfo->pUpperTranceiveCb = NULL; |
| Hal4Ctxt->psTrcvCtxtInfo->psUpperRecvData |
| = &(Hal4Ctxt->psTrcvCtxtInfo->sLowerRecvData); |
| (*pUpperTrcvCb)( |
| Hal4Ctxt->sUpperLayerInfo.psUpperLayerCtxt, |
| Hal4Ctxt->sTgtConnectInfo.psConnectedDevice, |
| Hal4Ctxt->psTrcvCtxtInfo->psUpperRecvData, |
| RecvStatus |
| ); |
| } |
| /*P2P target*/ |
| else if(NULL != Hal4Ctxt->psTrcvCtxtInfo->pP2PRecvCb) |
| { |
| pUpperRecvCb = Hal4Ctxt->psTrcvCtxtInfo->pP2PRecvCb; |
| Hal4Ctxt->psTrcvCtxtInfo->pP2PRecvCb = NULL; |
| Hal4Ctxt->psTrcvCtxtInfo->psUpperRecvData |
| = &(Hal4Ctxt->psTrcvCtxtInfo->sLowerRecvData); |
| (*pUpperRecvCb)( |
| Hal4Ctxt->sUpperLayerInfo.psUpperLayerCtxt, |
| Hal4Ctxt->psTrcvCtxtInfo->psUpperRecvData, |
| RecvStatus |
| ); |
| } |
| else |
| { |
| /*Receive data buffer is complete with data & P2P receive has |
| not yet been called*/ |
| Hal4Ctxt->psTrcvCtxtInfo->RecvDataBufferStatus |
| = NFCSTATUS_SUCCESS; |
| } |
| } |
| } |
| } |
| return; |
| } |
| |
| /*Activation complete handler*/ |
| void phHal4Nfc_P2PActivateComplete( |
| phHal4Nfc_Hal4Ctxt_t *Hal4Ctxt, |
| void *pInfo |
| ) |
| { |
| phHal_sEventInfo_t *psEventInfo = (phHal_sEventInfo_t *)pInfo; |
| NFCSTATUS Status = NFCSTATUS_SUCCESS; |
| static phHal4Nfc_DiscoveryInfo_t sDiscoveryInfo; |
| /*Copy notification info to provide to upper layer*/ |
| phHal4Nfc_NotificationInfo_t uNotificationInfo = {&sDiscoveryInfo}; |
| Hal4Ctxt->sTgtConnectInfo.EmulationState = NFC_EVT_ACTIVATED; |
| /*if P2p notification is registered*/ |
| if( NULL != Hal4Ctxt->sUpperLayerInfo.pP2PNotification) |
| { |
| /*Allocate remote device Info for P2P target*/ |
| uNotificationInfo.psDiscoveryInfo->NumberOfDevices = 1; |
| if(NULL == Hal4Ctxt->rem_dev_list[0]) |
| { |
| Hal4Ctxt->rem_dev_list[0] |
| = (phHal_sRemoteDevInformation_t *) |
| phOsalNfc_GetMemory( |
| sizeof(phHal_sRemoteDevInformation_t) |
| ); |
| } |
| if(NULL == Hal4Ctxt->rem_dev_list[0]) |
| { |
| phOsalNfc_RaiseException(phOsalNfc_e_NoMemory,0); |
| Status = PHNFCSTVAL(CID_NFC_HAL , |
| NFCSTATUS_INSUFFICIENT_RESOURCES); |
| } |
| else |
| { |
| (void)memset((void *)Hal4Ctxt->rem_dev_list[0], |
| 0,sizeof(phHal_sRemoteDevInformation_t)); |
| /*Copy device info*/ |
| (void)memcpy(Hal4Ctxt->rem_dev_list[0], |
| psEventInfo->eventInfo.pRemoteDevInfo, |
| sizeof(phHal_sRemoteDevInformation_t) |
| ); |
| /*Allocate Trcv context info*/ |
| if(NULL == Hal4Ctxt->psTrcvCtxtInfo) |
| { |
| Hal4Ctxt->psTrcvCtxtInfo= (pphHal4Nfc_TrcvCtxtInfo_t) |
| phOsalNfc_GetMemory((uint32_t) |
| (sizeof(phHal4Nfc_TrcvCtxtInfo_t))); |
| if(NULL != Hal4Ctxt->psTrcvCtxtInfo) |
| { |
| (void)memset(Hal4Ctxt->psTrcvCtxtInfo,0, |
| sizeof(phHal4Nfc_TrcvCtxtInfo_t)); |
| Hal4Ctxt->psTrcvCtxtInfo->RecvDataBufferStatus |
| = NFCSTATUS_PENDING; |
| Hal4Ctxt->psTrcvCtxtInfo->TransactionTimerId |
| = PH_OSALNFC_INVALID_TIMER_ID; |
| } |
| } |
| if(NULL == Hal4Ctxt->psTrcvCtxtInfo) |
| { |
| phOsalNfc_RaiseException(phOsalNfc_e_NoMemory,0); |
| Status= PHNFCSTVAL(CID_NFC_HAL , |
| NFCSTATUS_INSUFFICIENT_RESOURCES); |
| } |
| else |
| { |
| /*Update state*/ |
| Hal4Ctxt->Hal4CurrentState = eHal4StateEmulation; |
| Hal4Ctxt->Hal4NextState = eHal4StateInvalid; |
| uNotificationInfo.psDiscoveryInfo->ppRemoteDevInfo |
| = Hal4Ctxt->rem_dev_list; |
| /*set session Opened ,this will keep track of whether the session |
| is alive.will be reset if a Event DEACTIVATED is received*/ |
| Hal4Ctxt->rem_dev_list[0]->SessionOpened = TRUE; |
| (*Hal4Ctxt->sUpperLayerInfo.pP2PNotification)( |
| Hal4Ctxt->sUpperLayerInfo.P2PDiscoveryCtxt, |
| NFC_DISCOVERY_NOTIFICATION, |
| uNotificationInfo, |
| Status |
| ); |
| } |
| } |
| } |
| return; |
| } |
| |
| /*Deactivation complete handler*/ |
| void phHal4Nfc_HandleP2PDeActivate( |
| phHal4Nfc_Hal4Ctxt_t *Hal4Ctxt, |
| void *pInfo |
| ) |
| { |
| pphHal4Nfc_ReceiveCallback_t pUpperRecvCb = NULL; |
| pphHal4Nfc_SendCallback_t pUpperSendCb = NULL; |
| phHal4Nfc_NotificationInfo_t uNotificationInfo; |
| uNotificationInfo.psEventInfo = (phHal_sEventInfo_t *)pInfo; |
| /*session is closed*/ |
| if(NULL != Hal4Ctxt->rem_dev_list[0]) |
| { |
| Hal4Ctxt->rem_dev_list[0]->SessionOpened = FALSE; |
| Hal4Ctxt->psADDCtxtInfo->nbr_of_devices = 0; |
| } |
| Hal4Ctxt->sTgtConnectInfo.psConnectedDevice = NULL; |
| /*Update state*/ |
| Hal4Ctxt->Hal4CurrentState = eHal4StateOpenAndReady; |
| Hal4Ctxt->Hal4NextState = eHal4StateInvalid; |
| Hal4Ctxt->sTgtConnectInfo.EmulationState = NFC_EVT_DEACTIVATED; |
| /*If Trcv ctxt info is allocated ,free it here*/ |
| if(NULL != Hal4Ctxt->psTrcvCtxtInfo) |
| { |
| if(PH_OSALNFC_INVALID_TIMER_ID != |
| Hal4Ctxt->psTrcvCtxtInfo->TransactionTimerId) |
| { |
| phOsalNfc_Timer_Stop(Hal4Ctxt->psTrcvCtxtInfo->TransactionTimerId); |
| phOsalNfc_Timer_Delete(Hal4Ctxt->psTrcvCtxtInfo->TransactionTimerId); |
| } |
| pUpperRecvCb = Hal4Ctxt->psTrcvCtxtInfo->pP2PRecvCb; |
| pUpperSendCb = Hal4Ctxt->psTrcvCtxtInfo->pP2PSendCb; |
| /*Free Hal4 resources used by Target*/ |
| if (NULL != Hal4Ctxt->psTrcvCtxtInfo->sLowerRecvData.buffer) |
| { |
| phOsalNfc_FreeMemory(Hal4Ctxt->psTrcvCtxtInfo-> |
| sLowerRecvData.buffer); |
| } |
| if((NULL == Hal4Ctxt->sTgtConnectInfo.psConnectedDevice) |
| && (NULL != Hal4Ctxt->psTrcvCtxtInfo->psUpperSendData)) |
| { |
| phOsalNfc_FreeMemory(Hal4Ctxt->psTrcvCtxtInfo->psUpperSendData); |
| } |
| phOsalNfc_FreeMemory(Hal4Ctxt->psTrcvCtxtInfo); |
| Hal4Ctxt->psTrcvCtxtInfo = NULL; |
| } |
| /*if recv callback is pending*/ |
| if(NULL != pUpperRecvCb) |
| { |
| (*pUpperRecvCb)( |
| Hal4Ctxt->sUpperLayerInfo.psUpperLayerCtxt, |
| NULL, |
| NFCSTATUS_DESELECTED |
| ); |
| } |
| /*if send callback is pending*/ |
| else if(NULL != pUpperSendCb) |
| { |
| (*pUpperSendCb)( |
| Hal4Ctxt->sUpperLayerInfo.psUpperLayerCtxt, |
| NFCSTATUS_DESELECTED |
| ); |
| } |
| /*if pP2PNotification is registered*/ |
| else if(NULL != Hal4Ctxt->sUpperLayerInfo.pP2PNotification) |
| { |
| (*Hal4Ctxt->sUpperLayerInfo.pP2PNotification)( |
| Hal4Ctxt->sUpperLayerInfo.P2PDiscoveryCtxt, |
| NFC_EVENT_NOTIFICATION, |
| uNotificationInfo, |
| NFCSTATUS_DESELECTED |
| ); |
| } |
| else/*Call Default event handler*/ |
| { |
| if(NULL != Hal4Ctxt->sUpperLayerInfo.pDefaultEventHandler) |
| { |
| Hal4Ctxt->sUpperLayerInfo.pDefaultEventHandler( |
| Hal4Ctxt->sUpperLayerInfo.DefaultListenerCtxt, |
| NFC_EVENT_NOTIFICATION, |
| uNotificationInfo, |
| NFCSTATUS_DESELECTED |
| ); |
| } |
| } |
| } |
